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Post #178633723 added 08-17-2025 8:25 AM by Pickngrin in Tech Support
My system includes a Denon AVR-1911, an Onn 4K, and a TCL 55S405 TV. I' ve recently been noticing annoying sibilance when watching/listening to streaming shows in Dolby Digital Plus. I've since...
Post #178654030 added 08-18-2025 4:19 PM by Pickngrin in Tech Support
Thank you for replying. I just tested it by activating direct mode and I'm still hearing the sibilance/distortion. I don't think it sounds like a blown tweeter. This is baffling (and really annoying)...
Post #178664821 added Yesterday 10:28 AM by Pickngrin in Tech Support
No. I just confirmed that with a Blu-Ray disc.
Post #178666444 added Yesterday 12:06 PM by jkee in Tech Support
Are the Onn and TCL TVs the source of the streaming content? Are you using HDMI ARC or S/PDIF to connect the receiver? Have you tried using other streaming devices? The audio on streaming...
Post #178657801 added 08-18-2025 10:22 PM by jkee in Tech Support
Do you have this issue with a Blu-Ray disc?
Post #178651747 added 08-18-2025 1:39 PM by ChinaRider in Tech Support
Not familiar with that particular Denon model but have owned several... Does it have 'Direct' mode? If so, switch to that and you can be sure it's passing the audio through with no adjustments. ...
Post #178666654 added Yesterday 12:21 PM by Pickngrin in Tech Support
I tried streaming from the Roku built into the TCL TV and seemed to have the same issue. I have an optical cable from my TV audio out into my Denon receiver because I read about some models...

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